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Human Diseases

Description: its about human diseases caued bu bacteria,virus,protozoa etc.
Number of Questions: 15
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Tags: human diseases Recombinant DNA Technology AIDS and Cancer: Causes and Control AIDS Helminthic Diseases Infectious and Non Infectious Diseases Bacterial Diseases Infectious Diseases The Defence Mechanism Immunity
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Southern blot technique is related to which of the following?

  1. DNA

  2. Widal test

  3. ELISA

  4. RNA

  5. Protein


Correct Option: A
Explanation:

Souther blotting is a method routinely used in molecular biology for detection of a specific DNA sequence in DNA samples.

A person is detected positive to ELISA test . What is the next best test to establish the disease?

  1. Western blot

  2. PCR

  3. Southern blot

  4. Northern blot

  5. Eastern blot


Correct Option: A
Explanation:

In western blot proteins are detected in a sample, so if a person is detected positive in ELISA test it means he has been detected positive for a presence of a protein which is sorted out by the western blot technique.

Metastasis is associated with

  1. benign tumor

  2. crown gall tumor

  3. adenomas

  4. malignant tumor

  5. both 1 and 4


Correct Option: D
Explanation:

Metastasis is the spread of a cancer from one organ or part to another non-adjacent organ or part. The new occurrences of disease thus generated are referred to as metastases and this is associated with malignant tumors.

Enterobiasis is caused by which of the following worms?

  1. Filaria

  2. Round worm

  3. Pin worm

  4. Hook worm

  5. Cestodes


Correct Option: C
Explanation:

The pinworm (genus Enterobius), also known as threadworm causes enterobiasis.

Which of the following pairs represents the vector and the disease?

  1. Culex - filariasis

  2. House fly - yellow fever

  3. Body louse - typhoid

  4. Sand fly - plague

  5. Herpes simplex - hepatitis


Correct Option: A
Explanation:

Filrariasis is caused by wucheria bancrofti. It is spread by culex mosqito.

What is the other name of Dracunculus?

  1. Helminths

  2. Cestodes

  3. Blood fluke

  4. Hook worm

  5. Tissue nematode


Correct Option: E
Explanation:

Dracunculus is among the longest nematodes infecting humans.

Which of the following is a cause of Gout, a painful disorder of joints?

  1. Damage caused to ligaments

  2. Injury to tendons

  3. Inflammation of synovial membrane

  4. Deposition of calcium oxalate crystals

  5. Deposition of uric acid crystals


Correct Option: E
Explanation:

Gout causes attacks of pain and swelling in one or more joints.This results from the deposition of uric acid crystals.

Elevation in the levels of which serum enzyme is the most specific indication of myocardial infarction?

  1. SGPT

  2. SGOT

  3. LDH

  4. CPK

  5. Creatine kinase


Correct Option: B
Explanation:

serum glutamic oxaloacetic transaminase (SGOT), is a pyridoxal phosphate (PLP)-dependent transaminase enzyme.Its secretion is the most specific indication of MI.

Which of the following diseases is the mildest bacterial rickettsial disease of the man?

  1. Scrub typhus

  2. Rickettsial pox

  3. Q fever

  4. Rocky mountain spotted fever

  5. Chicken pox


Correct Option: C
Explanation:

Q fever is a disease caused by infection with coxiella burnetii, a bacterium that affects humans and other animals.

Which of the following immune cells directly attacks and destroys the antigens?

  1. Helper T cells

  2. Killer T cells

  3. Helper B cells

  4. Killer B cells

  5. Lymphokines


Correct Option: B
Explanation:

Killer T cells directly attack and destroy the antigens.

Why does Gaucher's disease occur?

  1. Due to abnormal protein metabolism

  2. Due to abnormal carbohydrate metabolism

  3. Due to deficiency of vitamins

  4. Due to abnormal nucleic acid metabolism

  5. Due to abnormal fat metabolism


Correct Option: E
Explanation:

It is a genetic disease in which a fatty substance ( lipid) accumulates in cells and certain organs.

A person, who is an old case of MI (myocardial infarction), goes to his doctor for a routine check up. What change will be seen on his ECG recording?

  1. P wave changes

  2. T wave changes

  3. Q wave changes

  4. QRS pattern changes

  5. No change in the ECG recording occurs in MI


Correct Option: C
Explanation:

Pathologic Q waves are not an early sign of myocardial infarction, but generally take several hours to days to develop.They are the result of absence of electrical activity.

For which disease is BCG vaccine used?

  1. Pertusis

  2. Diptheria

  3. Tetanus

  4. Polio

  5. Tuberculosis


Correct Option: E
Explanation:

It is a vaccine against tuberculosis that is prepared from a strain of the attenuated (weakened) live bovine tuberculosis bacillus, Mycobacterium bovis.

Which of the following is an example of zoonosis disease?

  1. Measels

  2. Diptheria

  3. Rabies

  4. Leprosy

  5. Influenza


Correct Option: C
Explanation:

Any disease or infection that is naturally transmissible from vertebrate animals to humans and vice-versa is classified as a zoonosis disease.is a viral disease that causes acute encephalitis in warm-blooded animals. The disease is zoonotic.

Which of the following conditions leads to the presence of RBCs in urine?

  1. Hematuria

  2. Urolethiasis

  3. Nephritis

  4. Proteinuria

  5. Leukemia


Correct Option: A
Explanation:

It is the presence of red blood cells ( erythrocytes) in the urine.

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